Home / 7,233.16-9,982.68-4,089.28

Finding the Fourth Proportional to 7,233.16, 9,982.68 and 4,089.28

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Solution

The fourth proportional to 7,233.16, 9,982.68 and 4,089.28 is: 5,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,233.16 : 9,982.68 = 4,089.28 : x
  2. Step 2: Convert to fraction form
    7,233.16/9,982.68 = 4,089.28/x
  3. Step 3: Cross multiply
    7,233.16x = 9,982.68 × 4,089.28
  4. Step 4: Simplify right side
    7,233.16x = 40,821,973.67
  5. Step 5: Solve for x
    x = 40,821,973.67/7,233.16
  6. Step 6: Final answer
    x = 5,643.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.